Pool & Spa Filter Cartridges
Every cartridge below is cross-referenced across Pleatco, Unicel, Filbur, and OEM part numbers, so you can find the right one starting from any of them. Browse by brand if you know your existing part number, or by physical size if you only have a tape measure to work with.
Browse by filter brand
Most-searched cartridges
Pleatco
→PRB25-IN / C-4326 / FC-2375
5″ × 13.9375″ • 25 sq ft
Pleatco
→PRB50-IN / C-4950 / FC-2390
5″ × 13.3125″ • 50 sq ft
Pleatco
→PJW60TL-F2S / 6CH-960 / FC-2800
6.75″ × 15.5″ • 60 sq ft
Pleatco
→PWK30 / C-6430 / FC-3915
5.875″ × 10.5″ • 30 sq ft
Pleatco
→PWK65 / C-8465 / FC-3960
8.5″ × 10.5″ • 65 sq ft
Pleatco
→PWW50P3 / 6CH-940 / FC-0359
6″ × 7.625″ • 50 sq ft
Pleatco
→PCC105 / C-7471 / FC-1977
7″ × 26.0625″ • 105 sq ft
Pleatco
→PA106 / C-7488 / FC-1226
7″ × 25.5″ • 106 sq ft
Pleatco
→PWK35B / C-6350 / FC-3921
6.375″ × 14″ • 35 sq ft
Pleatco
→PAP100 / C-9410 / FC-0686
10.0625″ × 23.625″ • 100 sq ft
Browse by physical size
Helpful when the part number on your old cartridge is rubbed off but a tape measure isn't. Outer diameter and length are the two numbers that matter.
5″ × 13.9375″5″ × 13.3125″6.75″ × 15.5″5.875″ × 10.5″6.375″ × 14″8.5″ × 10.5″7″ × 10.75″7″ × 14.75″8″ × 16.5″3.875″ × 7″8″ × 7.375″5.1875″ × 11.3125″5.1875″ × 14.125″5.1875″ × 12.5″6.75″ × 8″8″ × 5.75″8″ × 6.25″8″ × 13″7.125″ × 10.5″5.375″ × 8.5625″8.5″ × 7.25″6″ × 7.625″8.375″ × 14″8.375″ × 19″8.4375″ × 18″7″ × 19.625″7″ × 21.0625″7″ × 25.5″7″ × 32.75″7″ × 19″10.0625″ × 23.625″10.0625″ × 31.125″7″ × 26.0625″7″ × 32.0625″7″ × 26.9375″7.125″ × 26.9375″7″ × 32.8125″8.9375″ × 23.3125″8.6875″ × 18.1875″4.25″ × 8″5.75″ × 10″5.875″ × 12.1875″7″ × 6.5″7″ × 9.125″7″ × 17.625″7″ × 26.25″8.9375″ × 21″